Metal surface degreasing agent and application method thereof
A metal surface and degreasing agent technology, which is applied in the field of metal surface degreasing agent for cleaning oil well pipe couplings, can solve the problems of long degreasing time, high price, and large corrosion of workpieces, and achieves simple composition, convenient preparation, and high cleaning rate Effect
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[0013] Example 1:
[0014] Take 5Kg metal surface degreasing agent as an example (by weight percentage):
[0015] Na 2 CO 3 : 40%
[0016] Na 5 PO 10 : 10%
[0017] Na 3 PO 4 ·12H 2 O: 30%
[0018] Anionic surfactant: sodium dodecylbenzenesulfonate 14%
[0019] Nonionic surfactant: fatty alcohol polyoxyethylene ether 3% + polyethylene glycol octyl phenyl ether 3%.
[0020] After the above components are fully mixed, 5kg of finished metal surface degreasing agent is obtained. Take the finished product and add it to 95Kg of deionized water to obtain the metal surface degreasing agent solution. Take the machined pipe joint (with emulsion and oil on the surface), immerse it in the above-mentioned metal surface degreasing agent solution for 5 minutes at room temperature, and then propose that a continuous water film can be formed on the surface of the inner thread of the pipe joint, indicating that it has been completely cleaned. After phosphating treatment, a uniform ...
Example Embodiment
[0021] Example 2:
[0022] Take 10Kg metal surface degreasing agent as an example (by weight percentage):
[0023] Na 2 CO 3 : 10%
[0024] Na 5 PO 10 : 30%
[0025] Na 3 PO 4 ·12H 2 O: 40%
[0026] Anionic surfactant: sodium lauryl sulfate 20%
[0027] Nonionic surfactant: fatty alcohol polyoxyethylene ether 5% + polyethylene glycol octyl phenyl ether 5%.
[0028] After fully mixing the above components, the finished product of the metal surface degreasing agent is 10kg. Take the finished product and add it to 90Kg of deionized water to obtain the metal surface degreasing agent solution. Take the machined pipe joint (with emulsion and oil on the surface area), immerse it in the above-mentioned metal surface degreasing agent solution for 10 minutes at room temperature, and then propose to observe that a continuous water film can be formed on the surface of the inner thread of the pipe joint, indicating that it has been completely cleaned. After phosphating treatme...
Example Embodiment
[0029] Example 3:
[0030] Take 3Kg metal surface degreasing agent as an example (by weight percentage):
[0031] Na 2 CO 3 35%
[0032] Na 5 P 3 O 10 25%
[0033] Na 3 PO 4 12H 2 O 30%
[0034] Anionic surfactant: sodium dodecylbenzenesulfonate 7%
[0035] Nonionic surfactant: fatty alcohol polyoxyethylene ether 3%.
[0036] After fully mixing the above components, the finished product of the metal surface degreasing agent is 3kg. Take the finished product and add it to 97Kg of deionized water to obtain the metal surface degreasing agent solution. Take the machined pipe joint (with emulsion and oil on the surface), immerse it in the above-mentioned metal surface degreasing agent solution for 20 minutes at room temperature, and then propose that a continuous water film can be formed on the surface of the inner thread of the pipe joint, indicating that it has been completely cleaned. After phosphating treatment, a uniform and dense phosphating film can be form...
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